Delphi Technique

Delphi technique, one of the highly structural judgmental method of expert forecasting, is used to achieve group consensus on a forecast. In using this technique, the experts do not meet face to face. The first step in the Delphi process is to develop an anonymous questionnaire that asks the experts for an opinion and why they hold opinion. The results of this questionnaire are compiled and returned to the expert, along with a second anonymous questionnaire. In this way, the experts can learn from each other and modify or elaborate their positions several more rounds until the experts agree on a judgment.